Invasive ductal carcinoma of no special type and its corresponding lymph node metastasis: do they have the same immunophenotypic profile?

Abstract excerpt

In the present study we compared the immunophenotypic subtypes of breast ductal invasive carcinomas with their ipsilateral, axillary lymph node metastasis. The ER (estrogen receptor), PR (progesterone receptor), Her2 (human epidermal growth factor receptor 2), and CK5 (cytokeratin 5) status and the proliferation marker Ki-67 were determined by immunohistochemistry on specimens from 43 women. All selected cases...

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